diff --git a/src/gen_scan_codes.py b/src/gen_scan_codes.py
new file mode 100644
index 0000000..6bf68c9
--- /dev/null
+++ b/src/gen_scan_codes.py
@@ -0,0 +1,48 @@
+# Generate scan_codes.h from scan_codes.tsv
+
+from functools import reduce
+
+def symbolify(s):
+    if not s.startswith("'"):
+        return s.replace('+', 'PLUS').replace('*', 'TIMES').replace('/', 'DIV').replace('-', 'MINUS').replace('.', 'DOT')
+    else: return s
+
+def gen_set_entry(set, line):
+    parts = line.split('\t')
+
+    make_break = parts[set]
+    [make, brk] = [[int(y, 16) for y in x.split(' ')] for x in make_break.replace('(base)', '').strip().split('/')]
+    brk_pfx = brk[0]
+    if not set == 1:
+        brk = brk[1:]
+
+    if make[0] == 0xe0 or make[0] == 0xe1:
+        return
+
+    [make, brk] = [reduce(lambda o, n: o << 8 | n, x, 0) for x in [make, brk]]
+
+    ascii = str(parts[6] == 'yes').lower()
+    symbol = symbolify(parts[7])
+    upper_symbol = symbolify(parts[8])
+    
+    print(f"""\t[{make}] = {'{'} .ascii = {ascii}, .symbol = {symbol},
+\t\t.up_symbol = {upper_symbol}, .prefix = {brk_pfx} {'}'},""")
+
+    if set == 1:
+        print(f"""\t[{brk}] = {'{'} .ascii = {ascii}, .symbol = {symbol},
+\t\t.up_symbol = {upper_symbol}, .prefix = {brk_pfx}, .brk = true {'}'},""")
+
+def gen_set(lines, set):
+    # NOTE will only work with scan code set 3
+    print("const struct kbd_scan_codes scan_code_set_" + str(set) + "[0xff] =\n{")
+    for l in lines:
+        gen_set_entry(set, l)
+    print("};")
+
+with open('scan_codes.tsv', 'r') as f:
+    lines = f.read().split('\n')[1:]
+    print('#include "kbd.h"\n\n')
+    gen_set(lines, 1)
+    print('\n')
+    gen_set(lines, 3)
+